By Mark D. Spalding, Edmund P. Green, Corinna Ravilious
Coral reefs supply crucial fish habitat, aid endangered and threatened species, and harbor safe marine mammals and turtles. they're a major resource of meals, offer source of revenue and employment via tourism and marine game, and provide numerous different merits to people, together with delivering compounds for prescribed drugs. but coral reefs around the globe are quickly being degraded by way of a few human actions, comparable to overfishing, coastal improvement, and the creation of sewage, fertilizer, and sediment.
World Atlas of Coral Reefs provides the 1st particular and definitive account of the present country of our planet's coral reefs. With its wealth of authoritative and up to date details, the best maps on hand, and targeted descriptive texts and pictures by way of prime specialists, this full-color quantity may be a serious source for an individual attracted to those important environments.
World Atlas of Coral Reefs contains eighty-four full-page newly researched and drawn colour maps, including greater than 200 colour photographs illustrating reefs, reef animals, and pictures taken from area via NASA astronauts through the 2000 and 2001 house trip flights. The authors supply a wealth of data at the geography, biodiversity, and human makes use of of coral reefs, in addition to information about the threats to their existence.
Prepared on the UNEP–World Conservation tracking Centre in Cambridge, England--the United international locations place of work liable for supplying authoritative details at the of world biodiversity--the Atlas will be a severe software for scientists, scholars, policymakers, and planners at neighborhood, nationwide, and overseas degrees alike.
Publication of the World Atlas of Coral Reefs is supported by means of overseas associations together with the United countries atmosphere Programme; The Marine Aquarium Council, The overseas Coral Reef Initiative; ICLARM--The international Fish middle; the pro organization of Diving teachers, and the Aventis Foundation.
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Extra info for World Atlas of Coral Reefs
This segment is responsible for divalent ion secretion (Mg++, Ca++). The kidney of marine fish conserves water and energy relative to that of freshwater fish. Stearley (1992) and Stearley and Smith (1993) addressed the origin of the Salmoninae in cladistic analyses. They concluded that this subfamily indeed had a freshwater origin. This view was also supported by authors such as Greenwood (1993). Furthermore, Ishiguro et al. (2003) analysed mitochondrial DNA from 34 species of euteleosts, protacanthopterygians included.
They concluded that this subfamily indeed had a freshwater origin. This view was also supported by authors such as Greenwood (1993). Furthermore, Ishiguro et al. (2003) analysed mitochondrial DNA from 34 species of euteleosts, protacanthopterygians included. Their analysis showed the Esociformes (pikes), and not the Osmeroides (smelts), as the closest sister group to the Salmoniformes (Fig. 3). According to Ramsden et al. (2003), this lends support to the proposition that Salmoniformes have a freshwater origin.
We were motivated by some recent works among which we will mention: Malcolm Elliott’s book Quantitative Ecology and the Brown Trout (1994), summarizing the knowledge on population regulation of brown trout; Evolution Illuminated: Salmon and their Relatives (2004) edited by Andrew Hendry and Stephen Stearns, which has contri buted to the understanding of salmonid life history evolution; and The Atlantic Salmon: Genetics, Conservation and Management edited by Verspoor et al. 5 Ideas, Purpose and Relevance of the Book 13 Atlantic salmon with very high relevance to management.